90210 Season 1 Episode 21

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Episode 21: The Dionysian Debacle

Navid and Adrianna fantasize about their future, but when they tell his parents about their decision to spend the rest of their lives together, things don't go as they planned. Silver and Dixon adjust to her new school, while the Wilsons are dealing with having Naomi as their new house guest. Naomi convinces Annie to go on a double date with Liam's friend, but Annie is shocked at the way the evening ends. When her older sister, Jen (guest star Sara Foster) shows up, Naomi has no idea she is about to shake things up in Beverly Hills. Source:Wikipedia